Home / 268,281,322.16-402,421,480.97-84,062,901.06

Finding the Fourth Proportional to 268,281,322.16, 402,421,480.97 and 84,062,901.06

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Solution

The fourth proportional to 268,281,322.16, 402,421,480.97 and 84,062,901.06 is: 126,094,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,281,322.16 : 402,421,480.97 = 84,062,901.06 : x
  2. Step 2: Convert to fraction form
    268,281,322.16/402,421,480.97 = 84,062,901.06/x
  3. Step 3: Cross multiply
    268,281,322.16x = 402,421,480.97 × 84,062,901.06
  4. Step 4: Simplify right side
    268,281,322.16x = 33,828,717,138,779,468
  5. Step 5: Solve for x
    x = 33,828,717,138,779,468/268,281,322.16
  6. Step 6: Final answer
    x = 126,094,194.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.